Open Access Research Paper Views (325) Download (6) Comparative studies of the yield performance of Improved vs local varieties of cowpea (Vigna unguiculata L. Walp) in Anyigba environment of Kogi state, Nigeria Musa Umaru Tanko, Momohjimoh Yusuf Int. J. Agron. Agri. Res.11( 2), 86-93, August 2017. Key: Grain yieldImproved varietyLocal varietyNumber of pods/ plantNumber of seeds/podPod lengthPod yield Details